.arrowback {
  z-index: 3;
  transform: rotate(90deg);
  display: inline-block;
  position: fixed;
  width: 60px;
  left: 20px;
  top: 40px;
}

.arrowback:hover {
  -webkit-filter: grayscale(100%);
  filter: grayscale(100%);
}



@media only screen and (max-width: 950px) {

  .arrowback {
    width: 60px;
  }
}


@media only screen and (max-width: 768px) {

  .arrowback {
    width: 30px;
    left: 20px;
    top: 20px;
  }


}

@media only screen and (max-width: 400px) {

  /* .arrowback {
    display: none;
  } */

}